Finding the Fourth Proportional to 5,660,127.28, 7,811,115.60 and 3,081,949.12
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Solution
The fourth proportional to 5,660,127.28, 7,811,115.60 and 3,081,949.12 is: 4,253,165.99
Step by Step Solution
- Step 1: Write the proportion equation
5,660,127.28 : 7,811,115.60 = 3,081,949.12 : x - Step 2: Convert to fraction form
5,660,127.28/7,811,115.60 = 3,081,949.12/x - Step 3: Cross multiply
5,660,127.28x = 7,811,115.60 × 3,081,949.12 - Step 4: Simplify right side
5,660,127.28x = 24,073,460,849,638.27 - Step 5: Solve for x
x = 24,073,460,849,638.27/5,660,127.28 - Step 6: Final answer
x = 4,253,165.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.